They didn't do this in Divine Divinity (the music changes as you enter Aleroth, the Farmlands, a dungeon,...) so my guess is they won't in part II. Actually, as far as music is concerned, I haven't too much worries. I just wanted to stress its importance for what-makes- <img src="/ubbthreads/images/graemlins/div.gif" alt="" />-so-great.
P.S. Argh, poor kitties!
I am in blood Stepp'd in so far, that, should I wade no more, Returning were as tedious as go o'er.